ARROW-8544: [CI][Crossbow] Add a status.json to the gh-pages summary of nightly builds to get around rate limiting
ARROW-8544: [CI][Crossbow] Add a status.json to the gh-pages summary of nightly builds to get around rate limiting

Add a `status.json` to the gh-pages summary of nightly builds to get around rate limiting

Closes #6994 from bkietz/8043-Provide-better-visibility

Lead-authored-by: Benjamin Kietzman <be26f8d5d161e4d7965ee00602589fb2b74149f2@gmail.com>
Co-authored-by: Krisztián Szűcs <6bab32dc957a05a87930e779f272342e159326fa@gmail.com>
Signed-off-by: Krisztián Szűcs <6bab32dc957a05a87930e779f272342e159326fa@gmail.com>

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